Bathtub



FIG. 1 is a front perspective view of the bathtub of the present invention.

FIG. 2 is a rear perspective view of the bathtub of the present invention.

FIG. 3 is a top plan view of the bathtub of the present invention.

FIG. 4 is a bottom plan view of the bathtub of the present invention.

FIG. 5 is a rear elevation view of the bathtub of the present invention.

FIG. 6 is a front elevation view of the bathtub of the present invention.

FIG. 7 is a right side elevation view of the bathtub of the present invention; and,

FIG. 8 is a left side elevation view of the bathtub of the present invention. 

CLAIM I claim the ornamental design for a bathtub, as shown and described. 